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Delete multiple objects in django

...sing a webpage. There is no category to select from so I can't delete from all of them like that. Do I have to implement my own delete form and process it in django or does django have a way to already do this? As its implemented in the admin interface. ...
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What is a method that can be used to increment letters?

...ded to expand it a bit beyond the scope of the original question to potentially help people who are stumbling on this from Google. I find that what I often want is something that will generate sequential, unique strings in a certain character set (such as only using letters), so I've updated this a...
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Difference between Repository and Service Layer?

... bool Delete(int id); T Get(int id); bool SaveChanges(); } and call Get(id). Repository layer exposes basic CRUD operations. Service layer exposes business logic, which uses repository. Example service could look like: public interface IUserService { User GetByUserName(string userNa...
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How to use a custom comparison function in Python 3?

...e a workaround, but I think I am going to lose some performance by passing all the comparison operators < > = to middle man, since my original custom sort is written in C , it had around 1/2x speed of default sort. – YOU Mar 28 '10 at 5:26 ...
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Why {} + {} is NaN only on the client side? Why not in Node.js?

...le._commandLineAPI = new CommandLineAPI(this._commandLineAPIImpl, isEvalOnCallFrame ? object : null); expression = "with ((window && window.console && window.console._commandLineAPI) || {}) {\n" + expression + "\n}"; } var result = evalFunction.call(object, expression...
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Get the name of the currently executing method

$0 is the variable for the top level Ruby program, but is there one for the current method? 5 Answers ...
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How to create a new (and empty!) “root” branch?

...ository. By "root" branch I mean a branch that is entirely independent of all the other branches in the repository 1 . 4 A...
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Curly braces in string in PHP

...nterpolation. From the manual: Complex (curly) syntax This isn't called complex because the syntax is complex, but because it allows for the use of complex expressions. Any scalar variable, array element or object property with a string representation can be included via this synta...
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What is __main__.py?

What is the __main__.py file for, what sort of code should I put into it, and when should I have one? 5 Answers ...
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Convert a python 'type' object to a string

I'm wondering how to convert a python 'type' object into a string using python's reflective capabilities. 5 Answers ...